Use libcap on Android.

Bug: 23787966
Change-Id: I8a7362e6551d55b473a7382665dc3e895bff9d56
diff --git a/Android.mk b/Android.mk
index bffb1fe..b20a3a4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -20,7 +20,7 @@
 # ========================================================
 
 minijailCommonCFlags := -Wall -Werror -Wno-unused-function -Wno-unused-parameter
-minijailCommonSharedLibraries := libcap-ng
+minijailCommonSharedLibraries := libcap
 
 # libminijail shared library for target
 # ========================================================
diff --git a/libminijail.c b/libminijail.c
index 26186e3..78db271 100644
--- a/libminijail.c
+++ b/libminijail.c
@@ -683,13 +683,6 @@
 
 void drop_caps(const struct minijail *j)
 {
-#if defined(__ANDROID__)
-	/*
-	 * Temporarily disable capabilities support until Minijail can use
-	 * libcap-ng.
-	 */
-	(void) j;
-#else
 	cap_t caps = cap_get_proc();
 	cap_value_t flag[1];
 	const uint64_t one = 1;
@@ -745,7 +738,6 @@
 		die("can't apply final cleaned capset");
 
 	cap_free(caps);
-#endif
 }
 
 void set_seccomp_filter(const struct minijail *j)